How To Fix FAGL_POST_SERVICE057 - Asssignment of ledger group &1 or ledger &2 was changed.

SAP Error Message - Details

• Message type: E = Error

• Message class: FAGL_POST_SERVICE - Messages for Package FAGL_POSTING_SERVICES

• Message number: 057

• Message text: Asssignment of ledger group &1 or ledger &2 was changed.

What causes this issue?

You are trying to reverse a document that was posted with ledger group
<(>&<)>1 and ledger <(>&<)>2. However, ledger group <(>&<)>3 and ledger
<(>&<)>4 are used for the reversal document.

System Response

This posting is not allowed. Such a deviation of ledger group or ledger
is normally caused by a change to the ledger assignment of the
accounting principle used.

How to fix this error?

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message FAGL_POST_SERVICE057 - Asssignment of ledger group &1 or ledger &2 was changed. ?

  The SAP error message FAGL_POST_SERVICE057 indicates that there has been a change in the assignment of a ledger group or ledger in the system. This typically occurs during the posting process in the General Ledger (G/L) accounting module when the system detects that the configuration for the ledger or ledger group has been modified since the last time the document was posted.
  Cause:
  
  Configuration Changes: The most common cause of this error is that the configuration for the ledger or ledger group has been changed. This could include changes to the assignment of ledgers to ledger groups or changes in the settings related to the ledgers themselves.
  Document Posting: If a document is being posted that references a ledger or ledger group that has been altered, the system will throw this error to prevent inconsistencies.
  Parallel Ledger Configuration: If you are using parallel ledgers, changes in the configuration of these ledgers can also lead to this error.
  
  Solution:
  
  
  Check Configuration: Review the configuration settings for the ledger and ledger group in the SAP system. Ensure that the assignments are correct and that no recent changes have been made that could affect the posting.
  
  Transaction Code: OB22 (for ledger groups) and OBY6 (for ledgers).
  
  
  
  Revert Changes: If recent changes were made to the ledger or ledger group configuration, consider reverting those changes if they are not necessary or if they are causing issues.
  
  
  Post in the Correct Period: Ensure that you are trying to post in the correct accounting period. Sometimes, changes in the configuration can affect the periods in which postings are allowed.
  
  
  Consult Documentation: Check the SAP documentation or notes related to this error message for any specific guidance or updates that may be relevant to your version of SAP.
  
  
  Contact SAP Support: If the issue persists and you cannot identify the cause, consider reaching out to SAP support for assistance. They may provide insights based on the specific configuration and version of your SAP system.
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as:
  
  FBL1N: Vendor Line Item Display
  FBL3N: G/L Account Line Item Display
  FBL5N: Customer Line Item Display
  
  
  SAP Notes: Search for SAP Notes related to FAGL_POST_SERVICE057 for any patches or updates that may address this issue.
  Testing Environment: If possible, replicate the issue in a testing environment to better understand the changes that led to the error without affecting the production system.
  
  By following these steps, you should be able to diagnose and resolve the FAGL_POST_SERVICE057 error in your SAP system.